Review planets orbiting in the solar system using this study guide.

Interdisciplinary multimedia course, in thirteen units, on environmental science. Each unit encompasses a thirty-minute video, an accompanying textbook chapter, and an array of visuals and animations. With five interactive labs, a...

From the "Journey to Planet Earth" series, PBS takes a look at the world's exploding urban population. Includes video clips and educational resources.

The innovative resource examines images of the Sun, Moon, Pluto, and all eight planets in the Solar System. Learners calculate the diameter of each object and rank the objects in order of size. The activity has an interactive online...

With this resource, users join investigators in the exploration of humans' use of and dependence on the many energy resources. Learn about new technologies such as carbon capture and sequestration as an alternative to reduce our carbon...

Review celestial bodies using this study guide.

As far back as Ancient Greece, people have dreamed about living in space. This resource describes how space station science fiction of the past led to the development of today's space stations.

Learn about water as a precious resource in danger of being depleted. Understand the roles that overuse and agricultural use play in the sustainability efforts of this essential resource. Includes video. [28:25]

This is an extensive learning module on biodiversity and its decline. It looks at ways biodiversity is threatened, the possibility of another mass extinction, the causes and consequences of habitat loss, factors that drive biodiversity...

Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...

A variety of hands-on activities, investigations, and explorations designed to engage learners in discovering planet Earth.

From ABC News in Science, this article discusses climate change research which suggests that the worldwide issue of melting glaciers is a clear sign of changing climate conditions.

From ABC News in Science, Marilyn Head's article explores the possibility entertained by several researchers that the key to discovering life beyond Earth (or habitable planets) is in studying rainbows.

This image, titled "Planet Clumps and Crystals around Brown Dwarfs" features a chart representing four brown dwarf stars. The text under the image details various specifics about the picture.

Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.

Describes in detail the devastating storms that occur on Uranus.Also includes an .mpeg movie showing the rings of Uranus up close. (Mar. 29, 1999)

Discusses the information from the NASA spacecraft Messenger as it orbits Mercury and transmits photographs of the planet's surface to Earth.

Read about some of the most important space discoveries in recent times.

Earth's temperature depends on the balance between energy entering and leaving the planet's system . When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun's energy is reflected back into space,...